← Squares of 3- and 4-digit numbers lesson New set →

Squares of 3 Digit Numbers Worksheet

Vedic maths trick 26: Squares of 3- and 4-digit numbers · Set 541 · 40 sums
TalentJR

The trick (Dwandwa Yoga): For abc: columns D(a) | D(ab) | D(abc) | D(bc) | D(c). D(a) = a², D(ab) = 2ab, D(abc) = 2ac + b², D(abcd) = 2ad + 2bc. Combine from the right with carries.

NameDateTime takenScore ___ / 40
  1. 1.2514² =
  2. 2.928² =
  3. 3.677² =
  4. 4.341² =
  5. 5.904² =
  6. 6.912² =
  7. 7.9563² =
  8. 8.4423² =
  9. 9.134² =
  10. 10.937² =
  11. 11.315² =
  12. 12.9707² =
  13. 13.568² =
  14. 14.179² =
  15. 15.365² =
  16. 16.8166² =
  17. 17.178² =
  18. 18.424² =
  19. 19.4604² =
  20. 20.7530² =
  21. 21.193² =
  22. 22.145² =
  23. 23.502² =
  24. 24.366² =
  25. 25.324² =
  26. 26.957² =
  27. 27.723² =
  28. 28.8036² =
  29. 29.145² =
  30. 30.499² =
  31. 31.253² =
  32. 32.980² =
  33. 33.992² =
  34. 34.4572² =
  35. 35.249² =
  36. 36.484² =
  37. 37.640² =
  38. 38.8864² =
  39. 39.412² =
  40. 40.217² =

Answer key

  1. 6320196
  2. 861184
  3. 458329
  4. 116281
  5. 817216
  6. 831744
  7. 91450969
  8. 19562929
  9. 17956
  10. 877969
  11. 99225
  12. 94225849
  13. 322624
  14. 32041
  15. 133225
  16. 66683556
  17. 31684
  18. 179776
  19. 21196816
  20. 56700900
  21. 37249
  22. 21025
  23. 252004
  24. 133956
  25. 104976
  26. 915849
  27. 522729
  28. 64577296
  29. 21025
  30. 249001
  31. 64009
  32. 960400
  33. 984064
  34. 20903184
  35. 62001
  36. 234256
  37. 409600
  38. 78570496
  39. 169744
  40. 47089

Free vedic maths lessons, practice and worksheets at talentjr.in/vedic-maths